Display screen or portion thereof with graphical user interface



FIG. 1 shows a display screen or portion thereof with graphical user interface showing my new design; and,

FIG. 2 shows another embodiment thereof.

The peripheral dashed broken lines illustrate a display screen or portion thereof, and form no part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 